leaf vs venation

leaf and venation both are nouns.

Word	Noun	Adjective	Verb	Adverb
leaf	Yes	No	Yes	No
venation	Yes	No	No	No

leaf (noun)	venation (noun)
hinged or detachable flat section (as of a table or door)	(zoology) the system of venous blood vessels in an animal
a sheet of any written or printed material (especially in a manuscript or book)	(botany) the arrangement of veins in a leaf
the main organ of photosynthesis and transpiration in higher plants

leaf (verb)	venation (verb)
produce leaves, of plants
turn over pages
look through a book or other written material